* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

li {
  list-style: none;
}

a {
  text-decoration: none;
}

img {
  width: 100%;
  vertical-align: middle;
}

.box {
  width: 1110px;
  height: 247px;
  margin: 20px auto;
}

.box li {
  position: relative;
  float: left;
  width: 350px;
  height: 247px;
  margin-right: 30px;
  overflow: hidden;
}

.box li:last-child {
  margin-right: 0;
}

.box li .title {
  position: absolute;
  bottom: -40px;
  /* background-color: pink; */
  margin-left: 25px;
}
.box li .title p {
  margin-bottom: 5px;
  color: aliceblue;
}
.box li .title .p1{
font-size: 12px;
}
.box li .title .p2 {
    font-weight: bold;
    font-size: 14px;
}
.box li .title .p3{
    margin-top: 30px;
    margin-bottom: 15px;
    font-size: 14px;
    font-weight: 500;
}
.box li:hover .title{
    position: absolute;
    bottom: 0;
    transition: all 1s;
}
.box li:hover::after{
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    
    background: linear-gradient(to bottom,rgba(0,0,0,0) ,rgba(0,0,0,0.4));
    transition: all 1s;
}